DR. MATTHEW F. GEROMI D.O.
NPI 1831450139
Psychiatry & Neurology - Psychiatry in San Diego, CA

NPI Status: Active since June 04, 2012

Contact Information

12264 EL CAMINO REAL
SUITE 203
SAN DIEGO, CA
ZIP 92130
Phone: (858) 279-1223

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  • Individual
  • Male
  • Years of Experience 17
  • Psychiatry & Neurology
  • Psychiatry
  • Accepts Medicare Approved Payment
  • PECOS Enrolled

About MATTHEW GEROMI

This page provides the complete NPI Profile along with additional information for Matthew Geromi, a provider established in San Diego, California with a medical specialization in Psychiatry & Neurology, focusing in psychiatry and more than 17 years of experience. He graduated from Philadelphia College Of Osteopathic Medicine in 2009. The healthcare provider is registered in the NPI registry with number 1831450139 assigned on June 2012. The practitioner's primary taxonomy code is 2084P0800X with license number 20A12368 (CA). The provider is registered as an individual and his NPI record was last updated one year ago.

NPI
1831450139
Provider Name
DR. MATTHEW F. GEROMI D.O.
Gender
Male
Entity Type
Individual
Location Address
12264 EL CAMINO REAL SUITE 203 SAN DIEGO, CA 92130
Location Phone
(858) 279-1223
Mailing Address
12264 EL CAMINO REAL SUITE 203 SAN DIEGO, CA 92130
Mailing Phone
(858) 279-1223
Medical School Name
PHILADELPHIA COLLEGE OF OSTEOPATHIC MEDICINE
Graduation Year
2009
Is Sole Proprietor?
Yes
Enumeration Date
06-04-2012
Last Update Date
09-23-2025
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A psychiatrist like Matthew Geromi are primary mental health physicians diagnose and treat mental illnesses through psychotherapy, psychoanalysis, hospitalization and medication. Psychiatrist help patients find solutions through changes in their behavioral patterns, explorations of experiences, group and family therapy.

Location Map

Secondary Locations

  • 4201 Crums Mill Rd Ste 200
    Harrisburg, PA 17112
    (610) 892-3800

Specialty - Primary Taxonomy

The NPI enumerator requires providers to submit at least one taxonomy code. A taxonomy code is a unique 10-character code that describes the healthcare provider type, classification, and the area of specialization. There could be only one primary taxonomy code per NPI record. For individual NPIs the license data is associated to the taxonomy code.

Classification

Psychiatry & Neurology Psychiatry

Taxonomy Code
2084P0800X
Type
Allopathic & Osteopathic Physicians
License No.
20A12368
License State
CA
Taxonomy Description
A Psychiatrist specializes in the prevention, diagnosis, and treatment of mental disorders, emotional disorders, psychotic disorders, mood disorders, anxiety disorders, substance-related disorders, sexual and gender identity disorders and adjustment disorders. Biologic, psychological, and social components of illnesses are explored and understood in treatment of the whole person. Tools used may include diagnostic laboratory tests, prescribed medications, evaluation and treatment of psychological and interpersonal problems with individuals and families, and intervention for coping with stress, crises, and other problems.

Secondary Taxonomies

The provider has reported to the NPI enumerator additional taxonomy codes. Multiple taxonomy codes may represent subspecialties or other areas of specialization the provider maybe licensed to practice.

No. Taxonomy Code Type Classification /
Specialization
License No. (State)
12084P0800XAllopathic & Osteopathic Physicians

Psychiatry & Neurology
Psychiatry

OS11549 (FL)
22084P0800XAllopathic & Osteopathic Physicians

Psychiatry & Neurology
Psychiatry

DO1990 (NV)
32084P0800XAllopathic & Osteopathic Physicians

Psychiatry & Neurology
Psychiatry

OS020921 (PA)

Medicare Participation & PECOS Enrollment Status

Matthew Geromi is registered with Medicare and accepts claims assignment, this means the provider accepts the approved amount for the cost of rendered services as full payment. Participating providers may not charge beneficiaries more than the approved amount for their services. Please keep in mind that beneficiaries still have to pay a coinsurance or copayment amount for a visit or service.

Matthew Geromi is enrolled in PECOS and is eligible to order or refer health care services for Medicare patients. The provider is eligible to order or refer: Part B Clinical Laboratory and Imaging, Durable Medical Equipment (DME), a Home Health Agency (HHA) and Power Mobility Devices.

What is PECOS?
PECOS is the online Medicare enrollment management system or Provider, Enrollment, Chain and Ownership System. The PECOS system is a database of providers who have registered with CMS as providers or suppliers. PECOS is the primary source of information about verified Medicare professionals. Providers that want to participate in this program need to enroll in PECOS with their NPI number to avoid denied claims.

  • Is the provider registered in PECOS? Yes

  • PECOS PAC ID: 9234370453

    What is the PECOS Associate Control ID?
    A PAC ID is a unique 10-digit number assigned to an individual or organization healthcare provider in PECOS. The PAC ID is used to link together all the provider information, like tax identification numbers and organizational names. A PAC ID can be connected to multiple Enrollment IDs if an individual or organization has enrolled in PECOS more than once.

  • PECOS Enrollment ID: I20130730000532, I20231124000081

    What is the Provider Enrollment ID?
    The Enrollment ID is a unique alphanumeric 15-digit code assigned to each new provider's PECOS enrollment application. The Enrollment ID is used to link together all the provider enrollment information like enrollment type, state, provider specialty, and reassignment of benefits.

  • Accepts Medicare Assignment? Yes

    What does it mean "accepts medicare assignment"?
    When a provider accepts Medicare assignment, the provider agrees to be paid directly by Medicare and to accept the payment amount approved by Medicare. Additionally, the provider agrees to not bill patients for more than the Medicare deductible and coinsurance amounts.
    A provider who doesn't accept assignment may charge you up to 15% over the Medicare-approved amount. This is known as the limiting charge. You may have to pay this amount, or it may be covered by another insurer.

  • Eligible to Order or Refer Part B Clinical Laboratory and Imaging: Yes

  • Eligible to Order or Refer Durable Medical Equipment (DMEPOS): Yes

  • Eligible to Order or Refer a Home Health Agency (HHA): Yes

  • Eligible to Order or Refer Power Mobility Devices: Yes

Physician Visit Costs



The typical physician office visit costs for Medicare beneficiaries in this area are: $46.17 for a new patient copayment and $19.21 for an established patient copayment.

The pricing information below displays the copayment minimum, maximum and average amount that patients under Medicare are charged when visiting this provider as a new or established patient. Please keep in mind that these prices are just for reference purposes, and the actual prices charged by the provider might be different.

For patients covered under private health plans the prices below are also useful as healthcare pricing for private insurance is usually established as a function of Medicare prices. Private insurance covered patients should check their individual plans to determine the exact pricing.

The prices below reflect the costs for new and established patients in the 92130 ZIP code area.

New Patients Visit Costs *

The most utilized procedure code for new patients office visits is 99205

  • Average New Patient Price $184.71
  • Minimum New Patient Price $62.1
  • Maximum New Patient Price $184.71
  • Average New Patient Copayment $46.17
  • Minimum New Patient Copayment $15.52
  • Maximum New Patient Copayment $46.17

Established Patients Visit Costs *

The most utilized procedure code for established patients office visits is 99213

  • Average Established Patient Price $76.87
  • Minimum Established Patient Price $20.62
  • Maximum Established Patient Price $151.42
  • Average Established Patient Copayment $19.21
  • Minimum Established Patient Copayment $5.15
  • Maximum Established Patient Copayment $37.85

* The physician office visit costs information is generated by statistical analysis of similar providers in the same geographical area. The pricing information above IS NOT the amount charged by this provider.

Find Provider Hospital Affiliations - Privileges

Doctors and physicians must apply for hospital privileges to treat patients at hospitals. Find out if your doctor has privileges to practice at your preferred hospital by using the hospital affiliation information below based on recent medical claims.

Hospital affiliation is identified through self-reporting data, inpatient, outpatient, physician and ancillary service claims linked by the medical claims NPI number and place of service code. Additionally, to further determine provider hospital affiliation the clinician must have provided services to at least three patients on three different dates in the last 12 months. Matthew Geromi is affiliated with the following medical facilities:

Hospital Name Address Phone Hospital Type Overall Rating
UPMC WILLIAMSPORT700 HIGH STREET
WILLIAMSPORT, PA 17701
(570) 321-1000Acute Care Hospitals

Reviews for DR. MATTHEW F. GEROMI D.O.

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NPI NPI Number Validation

How NPI Validation Works

The NPI validation process uses the ISO-standard Luhn algorithm, a mathematical "handshake", to ensure that a provider's 10-digit ID is authentic and free of common typing errors.

To verify the NPI 1831450139, we treat the final digit (9) as the Check Digit—the target answer we need to reach. The process begins by taking the first nine digits and adding a constant value of 24, which accounts for the "80840" prefix required for all U.S. health identifiers. We then double every other digit starting from the right and sum the individual digits of those results together. For this specific NPI, that total comes to 61. The final step is to find the difference between that total and the next multiple of ten (70 - 61 = 9).

Digit-by-digit view

Use the first nine digits for the calculation. Starting from the right, double every other digit. The last digit is the check digit and is not part of the calculation.

Pos 1
1
Doubled → 2
Pos 2
8
Unchanged
Pos 3
3
Doubled → 6
Pos 4
1
Unchanged
Pos 5
4
Doubled → 8
Pos 6
5
Unchanged
Pos 7
0
Doubled → 0
Pos 8
1
Unchanged
Pos 9
3
Doubled → 6
Check
9
Target digit
Regular digit Doubled digit Check digit

Step 1: Double every other digit from the right

Starting with the rightmost digit of the first nine digits, double every other value. If doubling creates a two-digit number, add those digits together.

1 → 2 3 → 6 4 → 8 0 → 0 3 → 6

Step 2: Add all digits plus the NPI constant

Add the transformed values, the unchanged digits, and the constant 24.

2 + 8 + 6 + 1 + 8 + 5 + 0 + 1 + 6 + 24 = 61

Step 3: Find the amount needed to reach the next multiple of 10

The next multiple of ten after 61 is 70. The difference is the calculated check digit.

70 - 61 = 9
This NPI is valid
The calculated check digit is 9, which matches the last digit of 1831450139.

Other Providers at the Same Location


The following 20 providers are registered at the same or a nearby location.

Chiropractor
12264 EL CAMINO REAL, SUITE #108
SAN DIEGO, CA 92130
Chiropractor (Sports Physician)
12264 EL CAMINO REAL, SUITE 108
SAN DIEGO, CA 92130
Chiropractor (Sports Physician)
12264 EL CAMINO REAL, SUITE #108
SAN DIEGO, CA 92130
Dentist (Oral and Maxillofacial Surgery)
12264 EL CAMINO REAL, SUITE 111
SAN DIEGO, CA 92130
Plastic Surgery
12264 EL CAMINO REAL, SUITE 101
SAN DIEGO, CA 92130
Dentist (Endodontics)
12264 EL CAMINO REAL, SUITE 206
SAN DIEGO, CA 92130
Obstetrics & Gynecology (Maternal & Fetal Medicine)
12264 EL CAMINO REAL, STE. 204
SAN DIEGO, CA 92130
Obstetrics & Gynecology (Maternal & Fetal Medicine)
12264 EL CAMINO REAL, STE. 204
SAN DIEGO, CA 92130
Acupuncturist
12264 EL CAMINO REAL, STE. 108
SAN DIEGO, CA 92130
Dentist (Orthodontics and Dentofacial Orthopedics)
12264 EL CAMINO REAL, SUITE #109
SAN DIEGO, CA 92130
Internal Medicine (Medical Oncology)
12264 EL CAMINO REAL, # 300
SAN DIEGO, CA 92130
12264 EL CAMINO REAL, SUITE 101
SAN DIEGO, CA 92130
Clinic/Center (Radiology)
12264 EL CAMINO REAL, SUITE 102
SAN DIEGO, CA 92130
Dentist (Prosthodontics)
12264 EL CAMINO REAL, SUITE 306
SAN DIEGO, CA 92130
Surgery (Plastic and Reconstructive Surgery)
12264 EL CAMINO REAL, SUITE 101
SAN DIEGO, CA 92130
Surgery (Plastic and Reconstructive Surgery)
12264 EL CAMINO REAL, SUITE 101
SAN DIEGO, CA 92130
Obstetrics & Gynecology
12264 EL CAMINO REAL, SUITE 204
SAN DIEGO, CA 92130
Clinic/Center (Magnetic Resonance Imaging (MRI))
12264 EL CAMINO REAL
SAN DIEGO, CA 92130
Clinic/Center (Magnetic Resonance Imaging (MRI))
12264 EL CAMINO REAL, 102
SAN DIEGO, CA 92130
Ophthalmology
12264 EL CAMINO REAL, SUITE 55
SAN DIEGO, CA 92130

Frequently Asked Questions

The NPI number assigned to this healthcare provider is 1831450139, enumerated as an "individual" on June 04, 2012.

The provider is located at 12264 EL CAMINO REAL SUITE 203 SAN DIEGO, CA 92130 and the phone number is (858) 279-1223.

Psychiatry & Neurology with taxonomy code 2084P0800X and a focus in Psychiatry.

Matthew Geromi is affiliated with: UPMC WILLIAMSPORT.